NameError: .input-lg is undefined in /Users/haifeng/IT/01_Study/github_projects/js_framework/public/js/lib/bootstrap/3.0.0/css/input-groups.less on line 32, column 45:
31 .input-group-lg > .input-group-addon,
32 .input-group-lg > .input-group-btn > .btn { .input-lg(); }
33 .input-group-sm > .form-control,

